# Unsupported configuration

[pxt.microbit.org](https://pxt.microbit.org) doesn't currently support
your browser or operating system. The following configurations are supported:

## Windows

You need one of these browsers running on Windows 7, Windows 8, Windows 8.1, or
Windows 10:

* Internet Explorer 11
* Microsoft Edge
* Google Chrome
* Mozilla Firefox

## Mac

You need one of these browsers running on OS X 10.9 Mavericks, OS X 10.10
Yosemite, OS X 10.11 El Capitan, or macOS 10.12 Sierra:

* Safari
* Google Chrome
* Mozilla Firefox

## Linux

If you're using a Raspberry Pi, please see [the documentation
here](/raspberry-pi).

You need to be running a Linux distribution recent enough to run the most recent
version of one of the following:

* Google Chrome, or Chromium
* Mozilla Firefox, Iceweasel, or Seamonkey

## How to check your OS or browser

### Windows

* Click on the Start menu
* Type 'System'
* Click on the app called 'System'
* The version of Windows you are using will be displayed:

![](/static/configurations/windows-version.png)

### Mac

* Click on the Apple icon in the top left
* Click on 'About this Mac'
* This window will be displayed:

![](/static/configurations/osx-version.png)

### Internet Explorer

* Click on the Settings icon in the top right
* Click 'About Internet Explorer'
* This window will be displayed:

![](/static/configurations/ie-version.png)

### Edge

Edge automatically updates, so you should always be using the latest version

* Click on the menu icon in the top right (three dots)
* Scroll to the bottom
* Information similar to the following will be displayed:

![](/static/configurations/edge-version.png)

### Google Chrome

Google Chrome automatically updates, so you should always be using the latest version

* Click on the menu icon in the top right (three dots)
* Click Help, and About Google Chrome
* Information similar to the following will be displayed:

![](/static/configurations/chrome-version.png)

### Firefox

Firefox automatically updates, so you should always be using the latest version

* Click on the menu icon in the top right (three horizontal lines)
* Click the question mark icon (help button)
* Click 'About Firefox'

![](/static/configurations/firefox-version.png)

### Safari

Safari updates when your operating system updates, so if you are using the
latest version of OS X then you'll be using the latest version of Safari.

* Click on the Safari menu in the top left
* Click 'About Safari'

![](/static/configurations/safari-version.png)

IT administrators should check which browser versions are supported
[here](/browsers/technical).
